To install the latest Wine version from WineHQ in Debian 9 / LMDE 3, follow these commands:

sudo dpkg --add-architecture i386 
wget -q https://dl.winehq.org/wine-builds/winehq.key -O- | sudo apt-key add -
sudo apt-add-repository https://dl.winehq.org/wine-builds/debian/
sudo apt-get update
sudo apt-get install --install-recommends winehq-stable
wine --version

For Ubuntu / Mint 19.1

wget -q https://dl.winehq.org/wine-builds/winehq.key -O- | sudo apt-key add -
echo "deb https://dl.winehq.org/wine-builds/ubuntu/ bionic main" | sudo tee /etc/apt/sources.list.d/winehq.list
sudo apt-get update
sudo apt-get install --install-recommends winehq-stable

https://wiki.winehq.org/Debian